Students and staff members at Granite Bay High School were evacuated today for the second time this month after campus administrators learned of a bomb message on a restroom wall, the school reported.

“At the end of first lunch today, a message referencing a bomb was found on a restroom wall,” a school recording stated at 11:45 a.m. “Students and staff have been directed to the stadium as we conduct a sweep of the school.”

After finding no threat, authorities called off the evacuation around 12:40 p.m., according to Lt. John Poretti of the Placer County Sheriff's Department.

The school initiated a lockdown on Nov. 7 after a threatening note was found in a restroom. The roughly 90-minute lockdown also ended when officials found nothing suspicious on campus.